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Check if passed argument is file or directory in Bash
I'm trying to write an extremely simple script in Ubuntu which would allow me to pass it either a filename or a directory, and be able to do something specific when it's a file, and something else when it's a directory. The problem I'm having is when the directory name, or probably files too, has s...
Querying data by joining two tables in two database on different servers
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is it possible with php-mysql ..if yes then can you please suggest me a way how can i grow with that option?
– Jhanvi
Sep 26 '12 at 8:47
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What is a plain English explanation of “Big O” notation?
... on comparison operations (comparing two nodes to determine their relative ordering). This assumes that comparison is expensive. But what if the comparison is cheap but swapping is expensive? It changes the comparison; and
complexity: if it takes me one second to sort 10,000 elements, how long wi...
How to write an inline IF statement in JavaScript?
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Just to note, all parens in this case are optional. It is often personal preference/coding style that dictates when they are used.
– Will Klein
Apr 22 '12 at 18:46
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Method overloading in Objective-C?
...that method overloading is not supported in Objective-C. It is similar to PHP in that sense. As he also points out, it is common practice to define two or more methods with different signatures in the manner he examples. However, it is also possible to create one method using the "id" type. Via ...
Ruby on Rails Server options [closed]
..., Mongrel, Passenger, Apache, Nginx and many more I am sure, and I don't really understand the different roles they play.
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Get current AUTO_INCREMENT value for any table
...A AND t.TABLE_NAME = c.TABLE_NAME)
WHERE
c.TABLE_SCHEMA = 'YOUR_SCHEMA'
ORDER BY
`Usage (%)` DESC;
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What's the best UI for entering date of birth? [closed]
.... If you have text boxes, you're relying on the user to spot the MMDD date order and enter their info appropriately, if you provide a dropdown for month then the user will be forced to notice the out of order placement of the month.
– thelem
Oct 4 '16 at 11:58
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How do I calculate tables size in Oracle
...table. Often you are interested to know "How much spaces the the Purchase Order table take, including any indexes" rather than just the table itself. You can always delve into the details. Note that this requires access to the DBA_* views.
COLUMN TABLE_NAME FORMAT A32
COLUMN OBJECT_NAME FORMAT A...
SHA-1 fingerprint of keystore certificate
...as test
On windows, when keytool command is not found, Go to your installed JDK Directory e.g. <YourJDKPath>\Java\jdk1.8.0_231\bin\, open command line and try the above commands for debug/release mode.
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